Other Intangible Assets, net (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Cost	$ 6,484	$ 6,484
Accumulated amortization	(6,002)	(5,936)
Total	482	548
Developed Technology Rights [Member]
Cost	1,755	1,755
Accumulated amortization	(1,722)	(1,707)
Total	33	48
Customer Relationships [Member]
Cost	4,729	4,729
Accumulated amortization	(4,280)	(4,229)
Total	$ 449	$ 500